Osmocote slow release fertilizer 1kg

Osmocote Preplant is a slow release fertiliser which will help to keep your green roof healthy. 1kg bag covers 20m2

The Osmocote PrePlant comes in small pellets which have a specially designed coating, releasing the fertiliser over a period of months. We recommend to apply OSMOCOTE slow release fertilizer every 6 or 12 month in April or October depending on how your roof is looking. Application rate 50g/m2 so a 1kg bag is enough for 20m2